Adjusting member for car-brakes.



A. B. BROLUSKA.

ADJUSTING MEMBER PoR GAP. BRAKES.

APPLICATION FILED JAN. 31. 1914.

1 1 1 8,91 5. Patented Dec. 1', 1914.

XJ WMM 7 L amxgwww AMEL B. BOLUSKA, OF DETROIT; MICHIGAN.

ADJUSTING MEMBER. FOR CAR-BRAKES.

i; Aseis- Specification o Letters Iatent.

Patented Dec. 1, 19kt..

Application filed .January 31, 1914i. Serial No. 815,696.

To all whom 'i may concern Be it known that AMEL B. BnoLUsKA,

a citizen of the United States, and a resident of Detroit, in the county of Wayne and State of Michiofan, have invented a neufv and improved Adjusting Member for Car- Brakes, of which the following is a specification. l

This invention relates t'o a member for adjusting` brake beams or shoes on vehicles, and its objects are to provide a device of this character u'herein a positive adjustment may be secured to either lengthen. or shorten the member; one wherein the adjusting means is relieved of all stress incident to the ordinary use of the brake beams or shoes;

and one wherein the adjustable parts are protected from snow, mud and other foreign matter.

120. accomplish the objects mentioned, this invention consists in a pair of telescoping members, means for adjusting them in respect to each other, and means for securing them in adjusted relation. It also consists in the novel details of construction shown and described and particularly pointed out in the claims.

In the drawings, Figure 1 is a perspective view of one of the main members of the de-v vice. Fig. 2 is a section ofFig. 1 on the line 2--2- Fig. 3 is aperspective of the other main member, also showing the connecting bolts used therewith. Fig. 4 is a perspective of a connecting block. Fig. 5 is a side elevation of the parts in assembled position, a portion of one end beingbroken away. Fig. 6 is a bottom plan view of almodification. ll`ig.'7 is a side elevation of a portion of Fig. 6. Y Similar reference characters refer to like. parts throughout the several views.

The main member shown in Figs. l and 5 comprises ya rectangular body portion 1 havingr an opening" 2 therein (Fig. 5)'. one end of which is preferably closed by a Wall 3. f

The opposite end is openat the top as shown in Fig. l, and the bottom is slotted at 4. for a purpose hereinafter indicated. Projecting from the upper surface of this member is the threaded lug and projecting from theV lower surface of the slotted portion are the transverse teeth or corrugations 6. The other end of this member may be provided 'with the .perforated bifurcations '7 that are spaced apart sufficiently to allow the insertion ofseme' cnnnecting link of the brake mechanism (not shown) which may be retained therein b vv a bolt passing through the' perforations.

he main member shown in Fig. 3 comprises a rectangular body portion 10, one

end 11 of which may be reducedin thickness' to correspond tothe opening Q in the member "1 the opposite end being provided with the spaced bifurcations 12 having` the alined openings 13, through which a bolt (not shoivnly may be inserted for the purpose of 'attachingr this member to another link of the brake mechanism (not shown) therein. rThis member is also provided with an upstanding threaded lug 111 and with an opening through which a. bolt 15 may be passed,

said opening being' in alinement with the lslot 4 `when this-adjusting device is assema e The connecting* block 1G preferablyr comprisesa rectangular body portion 1 7 having upon its upper surface (Fig. 4) aperforated boss 18, its lower surface being?,I provided with the alined lugs 19 and 20, that are of a. width slightlyless than that ofthe slot 4; in the member 1, and with ythe transverse teeth or corrugatiohs 21 corresponding-to the corrugations 6 in the member 1. It will be understood that' the end 11 ofithe'member 10 is slipped into the opening 2 in the member 1,*and that the threaded lugs 5 and 14 are joined bv the bolt 9.2 having the right'and lefthand threads 23 and-24 thereon. When the bolt has been turned to bringr theime'mbers into the desired relation to'eachfother,

the connecting block is placed in the proper position, they corrugationsv 21 registering with the eorrugations on the member' 1, and

.the lugs 19 and Q0 inserted intothe Slot 4,

after which the bolt'15 is passed throughthe openingsin the member 10, the slot in the member l. and throughthe opening in the j connecting' block. 'The parts are then" rigidly secured together bv the nut 25. Any longitudinal stress applied to either end of the member will be transmitted through the bolt 15. thereby relieving the threads of the adj listing bolt 2Q of the wear to which they would otherwise be subjected. At the same time. the adjustingT holt aiiords a. means for thrusting the main members apart longitudinally. or for drawing them together at will.

The modifications shown in Figs. 6 and 7 differs from the form previously described mainly in the arrangement of the 4lugs 26 thecorresponding main members. In order g to provide clearance for the lug 27, the side of the main member 28 is cut away as indi-` y exited at 30, and thi's'mmber is further-'prol' vided with a slot 31 (that Vis formediri both the upper and the lo with thewtransverse,corrugations 32 correspending to the corru ations 6 of the member l. A connecting Irlock 33, bolt 34 and nut\35, that maybe duplicates of the block 16,.bo`lt and nut 25 -previously described, may be'used lto secure the mainmembers rigidly together, and' ari ht and left threaded bolt 36,.'similar-to -th'e olt 22, serves to adjust4 thex rmembers longitudinally inrespect toeach'other. t

f WtilllI have shown and described specific embo ents -of my mvention, I do not desiretorbe limited otherwise than as indicated inthe subjoined claims, as it, is clear that vvarious changes'may be maderin the constnuctionfwithout departingfrom the spirit `of'ml invention. w L, L

at lI claim isz-- l Y .l In a device for adjusting brake beams orfbrakes on vehicles,'a main member havin a 'longitudinal opening therein', a secon main memberslidable in the opening-,means for `adjusting the main memberslongitudinaally 1n respect to one another to lengthen Y or shorten the device, said means comprising 35- a'. threaded lug on each of the main members,

each'lug being integral-with the respective main member, a' threaded bolt one end of which' engages 'with thethreaded'lugs on one of the main, members and the other end 40' of which engages with the threaded lugs on the other main member, and separate. means for-rigidly securing the main members in anyA predetermined position of adjustment.

. 2; In a device of the character described,

a main member having a longitudinal opening and a longitudinal slot therein, a second ina-in member slida'ble longitudinally in the opening in the first main member, a thread ed lu on each of the main members, a threa ed bolt engaging with the threads on each of the lugs whereby' the main members may be forced apart or drawn together longitudinally to lengthen or shorten the device, 'said second main=memberlhaving a transverse openin therein in alinement with the slotin the rst main member, and a bolt passing through the opening and the slot for rigidly securingthe members in any -posij tion of adjustment.

3. In a device ofthe character'described, Ia main member having a longitudinal opening and a longitudinal slot therein and having' corrugations formed -on its surface, a secondmain member 28 and 29', whereprjt from the top 'of t .a Isite.:nei .gbl lower wall thereof) and therst main member, anda bo` 'a mam member having y ingand a longitudina sldable longitudinally' .in the opening in the first main member,

thefthreaded' one of the mainmem:

"bers and the other end of which engages withY main-f-member,

'the threaded lug on'the other` Y u having corrugations thereon registering with-the corru ations on t :passing throu hfan open' in the second main member,'t e-slot in thllrst main member andthe perforation in the block,whereby'the', parts arerigidly secured togetherin any vposition of ad'ustment l .-421.5 n a devine lo f-,the character described,

" a longitudinal openslot therein and havingvv corrugations formedon its surface, a second main member slidablelongitudinally in the opening inly the 'first'main member, means for adjusting the -main memberslongitudihally in respectgto each other comprising'. a threaded. lug on each of, the members, q threaded `bolt one end of which engages with the threaded lug on 'one of the main 4members andthe other lend 1of-which engages with the 'Y l f'. threaded lug on the other main member, a

perforated block having corrugations thereon registering with'the corrugations'onthe first main' member, and having a lug thereon lprojecting into theslot in the first main member, and a bolt, passing through an openin in the second main member, the slot in the rst main mem j r andthe perforation in the block, whereby the parts are ri ldly secured together inany position of a justment. t

5. In a device of the character described, a main member having'aloiigijtudinafo emng therein, a second main' member slidab e longitudinally in lthe openin in the first main member, one of the mem ers having-a slot therein, the. other member having astransverse opening therein, one of themainmenb bers having corrugations formed uponvits' surface, a` perforated block ha.ving'- :corrugations thereonregisterin ,with thecorru tions on the main mem er, a bolt passlng through the opening inthe oneE main member, throughthe slotin the other mainvmember, and throu h the perforation in. the block-wherebyt e members may-be rigidly secured together in any position'of adjustment, and means, whereby the members may `loe thrust longitudinally'of each other to either lengthen orshorten the device.

' 6.' In a device of the character described, a main member having a longitudinal opening therein, a second main member slidable longitudinally in the opening in 'the first main member, one of the members having a slot therein, the other member having a transverse opening therein, oneof the, main members having,corrugations lformed upon means comprising a. threaded lug upon each of the main members, and a' threaded bolt the ends of Which engage with the threads on the lugs, said holt having right and left 15 handed threads.

In testimony whereof I have signed this specification in the presence of two subscrib ing Witnesses.

AMEL B. BROLUSKA.

vVitnessesz EDWARD N. PAGELSEN, HUGO W. KREINBRWQ, 

